Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Consider the following equations,
(i) 
(ii) 
(iii) 
(iv) C(graphite) 
(v) 
The total number of reaction(s) for which the enthalpy change at 
and 1 atm pressure is equal to 
) is
Text Solution
Verified by ExpertsThe correct answer is:
D
Among the given equations, only one, i.e. (iv) for which the enthalpy change at 
and 1
atm equal to 
and 1 atm pressure is equal to 
. 
is the enthalpy change when one mole of the substance is formed from its elements but gases should be in the molecular state, i.e. 
.
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